package com.gas.project.system.user.controller;

import java.util.List;
import java.util.stream.Collectors;

import com.gas.project.gas.student.domain.Student;
import com.gas.project.gas.student.mapper.StudentMapper;
import com.gas.project.gas.student.service.IStudentService;
import com.gas.project.gas.teacher.domain.Teacher;
import com.gas.project.gas.teacher.mapper.TeacherMapper;
import com.gas.project.gas.teacher.service.ITeacherService;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import com.gas.common.constant.UserConstants;
import com.gas.common.utils.StringUtils;
import com.gas.common.utils.poi.ExcelUtil;
import com.gas.common.utils.security.ShiroUtils;
import com.gas.framework.aspectj.lang.annotation.Log;
import com.gas.framework.aspectj.lang.enums.BusinessType;
import com.gas.framework.web.controller.BaseController;
import com.gas.framework.web.domain.AjaxResult;
import com.gas.framework.web.page.TableDataInfo;
import com.gas.project.system.role.domain.Role;
import com.gas.project.system.role.service.IRoleService;
import com.gas.project.system.user.domain.User;
import com.gas.project.system.user.service.IUserService;

/**
 * 用户信息
 *
 * @author xyl
 */
@Controller
@RequestMapping("/system/user")
public class UserController extends BaseController {
    private String prefix = "system/user" ;

    @Autowired
    private IUserService userService;

    @Autowired
    private IRoleService roleService;

    @Autowired
    private IStudentService studentService;

    @Autowired
    private ITeacherService teacherService;

    @RequiresPermissions("system:user:view")
    @GetMapping()
    public String user() {
        return prefix + "/user" ;
    }

    @RequiresPermissions("system:user:list")
    @PostMapping("/list")
    @ResponseBody
    public TableDataInfo list(User user) {
        startPage();
        List<User> list = userService.selectUserList(user);
        return getDataTable(list);
    }

    @Log(title = "用户管理" , businessType = BusinessType.EXPORT)
    @RequiresPermissions("system:user:export")
    @PostMapping("/export")
    @ResponseBody
    public AjaxResult export(User user) {
        List<User> list = userService.selectUserList(user);
        ExcelUtil<User> util = new ExcelUtil<User>(User.class);
        return util.exportExcel(list, "用户数据");
    }

    @Log(title = "用户管理" , businessType = BusinessType.IMPORT)
    @RequiresPermissions("system:user:import")
    @PostMapping("/importData")
    @ResponseBody
    public AjaxResult importData(MultipartFile file, boolean updateSupport) throws Exception {
        ExcelUtil<User> util = new ExcelUtil<User>(User.class);
        List<User> userList = util.importExcel(file.getInputStream());
        String message = userService.importUser(userList, updateSupport);
        return AjaxResult.success(message);
    }

    @RequiresPermissions("system:user:view")
    @GetMapping("/importTemplate")
    @ResponseBody
    public AjaxResult importTemplate() {
        ExcelUtil<User> util = new ExcelUtil<User>(User.class);
        return util.importTemplateExcel("用户数据");
    }

    /**
     * 新增用户
     */
    @GetMapping("/add")
    public String add(ModelMap mmap) {
        mmap.put("roles" , roleService.selectRoleAll().stream().filter(r -> !r.isAdmin()).collect(Collectors.toList()));
        return prefix + "/add" ;
    }

    /**
     * 新增保存用户
     */
    @RequiresPermissions("system:user:add")
    @Log(title = "用户管理" , businessType = BusinessType.INSERT)
    @PostMapping("/add")
    @ResponseBody
    public AjaxResult addSave(@Validated User user) {
        if (UserConstants.USER_NAME_NOT_UNIQUE.equals(userService.checkLoginNameUnique(user.getLoginName()))) {
            return error("新增用户'" + user.getLoginName() + "'失败，登录账号已存在");
        } else if (StringUtils.isNotEmpty(user.getPhonenumber())
                && UserConstants.USER_PHONE_NOT_UNIQUE.equals(userService.checkPhoneUnique(user))) {
            return error("新增用户'" + user.getLoginName() + "'失败，手机号码已存在");
        } else if (StringUtils.isNotEmpty(user.getEmail())
                && UserConstants.USER_EMAIL_NOT_UNIQUE.equals(userService.checkEmailUnique(user))) {
            return error("新增用户'" + user.getLoginName() + "'失败，邮箱账号已存在");
        }
        return toAjax(userService.insertUser(user));
    }

    /**
     * 修改用户
     */
    @GetMapping("/edit/{userId}")
    public String edit(@PathVariable("userId") Long userId, ModelMap mmap) {
        List<Role> roles = roleService.selectRolesByUserId(userId);
        mmap.put("user" , userService.selectUserById(userId));
        mmap.put("roles" , User.isAdmin(userId) ? roles : roles.stream().filter(r -> !r.isAdmin()).collect(Collectors.toList()));
        return prefix + "/edit" ;
    }

    /**
     * 修改保存用户
     */
    @RequiresPermissions("system:user:edit")
    @Log(title = "用户管理" , businessType = BusinessType.UPDATE)
    @PostMapping("/edit")
    @ResponseBody
    public AjaxResult editSave(@Validated User user) {
        userService.checkUserAllowed(user);
        if (StringUtils.isNotEmpty(user.getPhonenumber())
                && UserConstants.USER_PHONE_NOT_UNIQUE.equals(userService.checkPhoneUnique(user))) {
            return error("修改用户'" + user.getLoginName() + "'失败，手机号码已存在");
        } else if (StringUtils.isNotEmpty(user.getEmail())
                && UserConstants.USER_EMAIL_NOT_UNIQUE.equals(userService.checkEmailUnique(user))) {
            return error("修改用户'" + user.getLoginName() + "'失败，邮箱账号已存在");
        }
        User currentUser = getSysUser();
        if(currentUser.isStudent()){
            Student student = new Student();
            student.setStudentNumber(user.getLoginName());
            student.setStudentName(user.getUserName());
            student.setGender(StringUtils.equals(user.getSex(),"1")? "女" : "男");
            studentService.updateStudent(student);
        }
        if(currentUser.isTeacher()){
            Teacher teacher = new Teacher();
            teacher.setTeacherNumber(user.getLoginName());
            teacher.setTeacherName(user.getUserName());
            teacher.setGender(StringUtils.equals(user.getSex(),"1")? "女" : "男");
            teacherService.updateTeacher(teacher);
        }
        return toAjax(userService.updateUser(user));
    }

    @RequiresPermissions("system:user:resetPwd")
    @GetMapping("/resetPwd/{userId}")
    public String resetPwd(@PathVariable("userId") Long userId, ModelMap mmap) {
        mmap.put("user" , userService.selectUserById(userId));
        return prefix + "/resetPwd" ;
    }

    @RequiresPermissions("system:user:resetPwd")
    @Log(title = "重置密码" , businessType = BusinessType.UPDATE)
    @PostMapping("/resetPwd")
    @ResponseBody
    public AjaxResult resetPwdSave(User user) {
        userService.checkUserAllowed(user);
        if (userService.resetUserPwd(user) > 0) {
            if (ShiroUtils.getUserId().longValue() == user.getUserId().longValue()) {
                setSysUser(userService.selectUserById(user.getUserId()));
            }
            return success();
        }
        return error();
    }

    /**
     * 进入授权角色页
     */
    @GetMapping("/authRole/{userId}")
    public String authRole(@PathVariable("userId") Long userId, ModelMap mmap) {
        User user = userService.selectUserById(userId);
        // 获取用户所属的角色列表
        List<Role> roles = roleService.selectRolesByUserId(userId);
        mmap.put("user" , user);
        mmap.put("roles" , User.isAdmin(userId) ? roles : roles.stream().filter(r -> !r.isAdmin()).collect(Collectors.toList()));
        return prefix + "/authRole" ;
    }

    /**
     * 用户授权角色
     */
    @RequiresPermissions("system:user:add")
    @Log(title = "用户管理" , businessType = BusinessType.GRANT)
    @PostMapping("/authRole/insertAuthRole")
    @ResponseBody
    public AjaxResult insertAuthRole(Long userId, Long[] roleIds) {
        userService.insertUserAuth(userId, roleIds);
        return success();
    }

    @RequiresPermissions("system:user:remove")
    @Log(title = "用户管理" , businessType = BusinessType.DELETE)
    @PostMapping("/remove")
    @ResponseBody
    public AjaxResult remove(String ids) {
        return toAjax(userService.deleteUserByIds(ids));
    }

    /**
     * 校验用户名
     */
    @PostMapping("/checkLoginNameUnique")
    @ResponseBody
    public String checkLoginNameUnique(User user) {
        return userService.checkLoginNameUnique(user.getLoginName());
    }

    /**
     * 校验手机号码
     */
    @PostMapping("/checkPhoneUnique")
    @ResponseBody
    public String checkPhoneUnique(User user) {
        return userService.checkPhoneUnique(user);
    }

    /**
     * 校验email邮箱
     */
    @PostMapping("/checkEmailUnique")
    @ResponseBody
    public String checkEmailUnique(User user) {
        return userService.checkEmailUnique(user);
    }

    /**
     * 用户状态修改
     */
    @Log(title = "用户管理" , businessType = BusinessType.UPDATE)
    @RequiresPermissions("system:user:edit")
    @PostMapping("/changeStatus")
    @ResponseBody
    public AjaxResult changeStatus(User user) {
        userService.checkUserAllowed(user);
        return toAjax(userService.changeStatus(user));
    }
}